Fig. 3. The effects of L-NAME and SNP on isolated strip preparations
from adult zebrafish. Prevention of NO formation by L-NAME
(3x104 mol l1, N=7)
increased the mean force exerted by the preparations. Subsequent addition of
SNP (105 mol l1, N=5) decreased
the L-NAME induced activity to 71.2±27.0% of the control.
Results are presented as force developed (mean ± s.e.m.).
*P<0.05. L-NAME,
NG-nitro-L-arginine methyl ester; NO, nitric oxide; SNP,
sodium nitroprusside